Global Patent Index - EP 0347891 A1

EP 0347891 A1 19891227 - An ultrasonic fuel injection nozzle.

Title (en)

An ultrasonic fuel injection nozzle.

Title (de)

Überschall-Kraftstoff-Einspritzdüse.

Title (fr)

Tuyère d'injecteur de carburant ultrasonique.

Publication

EP 0347891 A1 19891227 (EN)

Application

EP 89111324 A 19890621

Priority

  • JP 8306988 U 19880622
  • JP 14096888 U 19881028
  • JP 15595288 A 19880622

Abstract (en)

An ultrasonic fuel injection nozzle comprising a means to generate ultrasonic vibrations, a vibrator secured to the ultrasonic vibration generating means and a valve means for supplying fuel to the vibrator is disclosed. The vibrator is secured to the ultrasonic vibration generating means at one end, and is formed with a cavity in its other end portion for atomizing fuel therein. The vibrator has a fuel passage communicating with the interior of the cavity. A valve means for normally closing the passage and for opening the passage to discharge an amount of fuel depending upon the passage opening duration. The fuel atomizing portion serves to reduce the discharged fuel to minute particles through the effect of ultrasonic vibrations.

IPC 1-7

F02M 69/04

IPC 8 full level

F02M 69/04 (2006.01); F02B 1/04 (2006.01)

CPC (source: EP US)

F02M 69/041 (2013.01 - EP US); F02B 1/04 (2013.01 - EP US)

Citation (search report)

  • [A] EP 0036617 A2 19810930 - SIEMENS AG [DE]
  • [XD] PATENT ABSTRACTS OF JAPAN vol. 11, no. 269 (M-621)(2716) 02 September 1987, & JP-A-62 70656 (HITACHI) 01 April 1987,
  • [A] PATENT ABSTRACTS OF JAPAN vol. 9, no. 272 (M-425)(1995) 30 October 1985, & JP-A-60 116848 (HITACHI) 24 June 1985,
  • [A] PATENT ABSTRACTS OF JAPAN vol. 9, no. 142 (M-388)(1865) 04 February 1985, & JP-A-60 22066 (HITACHI) 04 February 1985,
  • [A] PATENT ABSTRACTS OF JAPAN vol. 10, no. 163 (M-487)(2219) 11 June 1986, & JP-A-61 14468 (MITSUBISHI) 22 January 1986,

Designated contracting state (EPC)

CH DE FR GB LI NL

DOCDB simple family (publication)

EP 0347891 A1 19891227; EP 0347891 B1 19950913; CA 1333866 C 19950110; DE 68924202 D1 19951019; DE 68924202 T2 19960215; US 4974780 A 19901204

DOCDB simple family (application)

EP 89111324 A 19890621; CA 603474 A 19890621; DE 68924202 T 19890621; US 36784089 A 19890619